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Massive changes to generalize coff-bfd support enough to get 29k
[deliverable/binutils-gdb.git] / gas / config / obj-coff-bfd.h
CommitLineData
23de7ff6
SC		 1/* coff object file format
2 Copyright (C) 1989, 1990, 1991 Free Software Foundation, Inc.
3
4This file is part of GAS.
5
6GAS is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2, or (at your option)
9any later version.
10
11GAS is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with GAS; see the file COPYING. If not, write to
18the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
19
20/* $Id$ */
21
22#define OBJ_COFF 1
23
24#include "targ-cpu.h"
25
26
27#ifdef BFD_HEADERS
28#include "bfd.h"
29
30extern bfd *stdoutput;
31/* This internal_lineno crap is to stop namespace pollution from the
32 bfd internal coff headerfile. */
33
34#define internal_lineno bfd_internal_lineno
35#include "internalcoff.h"
36#undef internal_lineno
37
38#if defined(TC_H8300)
39#include "coff-h8300.h"
40#define TARGET_FORMAT "coff-h8300"
41#elif defined(TC_A29K)
42#include "coff-a29k.h"
43#define TARGET_FORMAT "coff-a29k-big"
44#else
45help me
46#endif
47#else
48#include "coff.gnu.h"
49#endif
50
51#ifdef USE_NATIVE_HEADERS
52#include <filehdr.h>
53#include <aouthdr.h>
54#include <scnhdr.h>
55#include <storclass.h>
56#include <linenum.h>
57#include <syms.h>
58#include <reloc.h>
59#include <sys/types.h>
60#endif /* USE_NATIVE_HEADERS */
61
62/* Define some processor dependent values according to the processor we are
63 on. */
64#if defined(TC_H8300)
65#define BYTE_ORDERING 0
66#define FILE_HEADER_MAGIC H8300MAGIC
67#elif defined(TC_M68K)
68
69#define BYTE_ORDERING F_AR32W /* See filehdr.h for more info. */
70#ifndef FILE_HEADER_MAGIC
71#define FILE_HEADER_MAGIC MC68MAGIC /* ... */
72#endif /* FILE_HEADER_MAGIC */
73
74#elif defined(TC_I386)
75
76#define BYTE_ORDERING F_AR32WR /* See filehdr.h for more info. */
77#ifndef FILE_HEADER_MAGIC
78#define FILE_HEADER_MAGIC I386MAGIC /* ... */
79#endif /* FILE_HEADER_MAGIC */
80
81#elif defined(TC_I960)
82
83#define BYTE_ORDERING F_AR32WR /* See filehdr.h for more info. */
84#ifndef FILE_HEADER_MAGIC
85#define FILE_HEADER_MAGIC I960ROMAGIC /* ... */
86#endif /* FILE_HEADER_MAGIC */
87
88#elif defined(TC_A29K)
89
90#define BYTE_ORDERING F_AR32W /* big endian. */
91#ifndef FILE_HEADER_MAGIC
92#define FILE_HEADER_MAGIC SIPFBOMAGIC
93#endif /* FILE_HEADER_MAGIC */
94
95#else
96you lose
97#endif
98
99
100#ifndef OBJ_COFF_MAX_AUXENTRIES
101#define OBJ_COFF_MAX_AUXENTRIES 1
102#endif /* OBJ_COFF_MAX_AUXENTRIES */
103
7d4ffa93 104/*extern const short seg_N_TYPE[];*/
23de7ff6
SC		 105extern const segT N_TYPE_seg[];
106
107/* Magic number of paged executable. */
108#define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE 0x8300
109
110#ifndef BFD_HEADERS
111
112/* Add these definitions to have a consistent convention for all the
113 types used in COFF format. */
114#define AOUTHDR struct aouthdr
115#define AOUTHDRSZ sizeof(AOUTHDR)
116#endif
117
118/* SYMBOL TABLE */
119
120 /* targets may also set this */
121#ifndef SYMBOLS_NEED_BACKPOINTERS
122#define SYMBOLS_NEED_BACKPOINTERS 1
123#endif /* SYMBOLS_NEED_BACKPOINTERS */
124
125/* Symbol table entry data type */
126
127typedef struct
128{
129 struct internal_syment ost_entry; /* Basic symbol */
130 union internal_auxent ost_auxent[OBJ_COFF_MAX_AUXENTRIES]; /* Auxiliary entry. */
131
132 unsigned int ost_flags; /* obj_coff internal use only flags */
133} obj_symbol_type;
134
135#define DO_NOT_STRIP 0
136#define DO_STRIP 1
137
138/* Symbol table macros and constants */
139
140/* Possible and usefull section number in symbol table
141 * The values of TEXT, DATA and BSS may not be portable.
142 */
143
144#define C_ABS_SECTION N_ABS
145#define C_UNDEF_SECTION N_UNDEF
146#define C_DEBUG_SECTION N_DEBUG
147#define C_NTV_SECTION N_TV
148#define C_PTV_SECTION P_TV
63c92fcd 149#define C_REGISTER_SECTION 20
23de7ff6
SC		 150
151/*
152 * Macros to extract information from a symbol table entry.
153 * This syntaxic indirection allows independence regarding a.out or coff.
154 * The argument (s) of all these macros is a pointer to a symbol table entry.
155 */
156
157/* Predicates */
158/* True if the symbol is external */
159#define S_IS_EXTERNAL(s) ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION)
160/* True if symbol has been defined, ie :
161 section > 0 (DATA, TEXT or BSS)
162 section == 0 and value > 0 (external bss symbol) */
163#define S_IS_DEFINED(s) ((s)->sy_symbol.ost_entry.n_scnum > C_UNDEF_SECTION || \
164 ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION && \
165 (s)->sy_symbol.ost_entry.n_value > 0))
166/* True if a debug special symbol entry */
167#define S_IS_DEBUG(s) ((s)->sy_symbol.ost_entry.n_scnum == C_DEBUG_SECTION)
168/* True if a symbol is local symbol name */
169/* A symbol name whose name begin with ^A is a gas internal pseudo symbol */
170#define S_IS_LOCAL(s) (S_GET_NAME(s)[0] == '\001' || \
171 (s)->sy_symbol.ost_entry.n_scnum == C_REGISTER_SECTION || \
172 (S_LOCAL_NAME(s) && !flagseen['L']))
173/* True if a symbol is not defined in this file */
174#define S_IS_EXTERN(s) ((s)->sy_symbol.ost_entry.n_scnum == 0 && (s)->sy_symbol.ost_entry.n_value == 0)
175/*
176 * True if a symbol can be multiply defined (bss symbols have this def
177 * though it is bad practice)
178 */
179#define S_IS_COMMON(s) ((s)->sy_symbol.ost_entry.n_scnum == 0 && (s)->sy_symbol.ost_entry.n_value != 0)
180/* True if a symbol name is in the string table, i.e. its length is > 8. */
181#define S_IS_STRING(s) (strlen(S_GET_NAME(s)) > 8 ? 1 : 0)
182
183/* Accessors */
184/* The name of the symbol */
185#define S_GET_NAME(s) ((char*)(s)->sy_symbol.ost_entry.n_offset)
186/* The pointer to the string table */
187#define S_GET_OFFSET(s) ((s)->sy_symbol.ost_entry.n_offset)
188/* The zeroes if symbol name is longer than 8 chars */
189#define S_GET_ZEROES(s) ((s)->sy_symbol.ost_entry.n_zeroes)
190/* The value of the symbol */
191#define S_GET_VALUE(s) ((unsigned) ((s)->sy_symbol.ost_entry.n_value))
192/* The numeric value of the segment */
193#define S_GET_SEGMENT(s) s_get_segment(s)
194/* The data type */
195#define S_GET_DATA_TYPE(s) ((s)->sy_symbol.ost_entry.n_type)
196/* The storage class */
197#define S_GET_STORAGE_CLASS(s) ((s)->sy_symbol.ost_entry.n_sclass)
198/* The number of auxiliary entries */
199#define S_GET_NUMBER_AUXILIARY(s) ((s)->sy_symbol.ost_entry.n_numaux)
200
201/* Modifiers */
202/* Set the name of the symbol */
203#define S_SET_NAME(s,v) ((s)->sy_symbol.ost_entry.n_offset = (unsigned long)(v))
204/* Set the offset of the symbol */
205#define S_SET_OFFSET(s,v) ((s)->sy_symbol.ost_entry.n_offset = (v))
206/* The zeroes if symbol name is longer than 8 chars */
207#define S_SET_ZEROES(s,v) ((s)->sy_symbol.ost_entry.n_zeroes = (v))
208/* Set the value of the symbol */
209#define S_SET_VALUE(s,v) ((s)->sy_symbol.ost_entry.n_value = (v))
210/* The numeric value of the segment */
211#define S_SET_SEGMENT(s,v) ((s)->sy_symbol.ost_entry.n_scnum = SEGMENT_TO_SYMBOL_TYPE(v))
212/* The data type */
213#define S_SET_DATA_TYPE(s,v) ((s)->sy_symbol.ost_entry.n_type = (v))
214/* The storage class */
215#define S_SET_STORAGE_CLASS(s,v) ((s)->sy_symbol.ost_entry.n_sclass = (v))
216/* The number of auxiliary entries */
217#define S_SET_NUMBER_AUXILIARY(s,v) ((s)->sy_symbol.ost_entry.n_numaux = (v))
218
219/* Additional modifiers */
220/* The symbol is external (does not mean undefined) */
221#define S_SET_EXTERNAL(s) { S_SET_STORAGE_CLASS(s, C_EXT) ; SF_CLEAR_LOCAL(s); }
222
223/* Auxiliary entry macros. SA_ stands for symbol auxiliary */
224/* Omit the tv related fields */
225/* Accessors */
226#ifdef BFD_HEADERS
227#define SA_GET_SYM_TAGNDX(s) ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx.l)
228#else
229#define SA_GET_SYM_TAGNDX(s) ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx)
230#endif
231#define SA_GET_SYM_LNNO(s) ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_lnno)
232#define SA_GET_SYM_SIZE(s) ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_size)
233#define SA_GET_SYM_FSIZE(s) ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_fsize)
234#define SA_GET_SYM_LNNOPTR(s) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_lnnoptr)
235#ifdef BFD_HEADERS
236#define SA_GET_SYM_ENDNDX(s) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx.l)
237#else
238#define SA_GET_SYM_ENDNDX(s) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx)
239#endif
240#define SA_GET_SYM_DIMEN(s,i) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen[(i)])
241#define SA_GET_FILE_FNAME(s) ((s)->sy_symbol.ost_auxent[0].x_file.x_fname)
242#define SA_GET_SCN_SCNLEN(s) ((s)->sy_symbol.ost_auxent[0].x_scn.x_scnlen)
243#define SA_GET_SCN_NRELOC(s) ((s)->sy_symbol.ost_auxent[0].x_scn.x_nreloc)
244#define SA_GET_SCN_NLINNO(s) ((s)->sy_symbol.ost_auxent[0].x_scn.x_nlinno)
245
246/* Modifiers */
247#ifdef BFD_HEADERS
248#define SA_SET_SYM_TAGNDX(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx.l=(v))
249#else
250#define SA_SET_SYM_TAGNDX(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx=(v))
251#endif
252#define SA_SET_SYM_LNNO(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_lnno=(v))
253#define SA_SET_SYM_SIZE(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_size=(v))
254#define SA_SET_SYM_FSIZE(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_fsize=(v))
255#define SA_SET_SYM_LNNOPTR(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_lnnoptr=(v))
256#ifdef BFD_HEADERS
257#define SA_SET_SYM_ENDNDX(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx.l=(v))
258#else
259#define SA_SET_SYM_ENDNDX(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx=(v))
260#endif
261#define SA_SET_SYM_DIMEN(s,i,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen[(i)]=(v))
262#define SA_SET_FILE_FNAME(s,v) strncpy((s)->sy_symbol.ost_auxent[0].x_file.x_fname,(v),FILNMLEN)
263#define SA_SET_SCN_SCNLEN(s,v) ((s)->sy_symbol.ost_auxent[0].x_scn.x_scnlen=(v))
264#define SA_SET_SCN_NRELOC(s,v) ((s)->sy_symbol.ost_auxent[0].x_scn.x_nreloc=(v))
265#define SA_SET_SCN_NLINNO(s,v) ((s)->sy_symbol.ost_auxent[0].x_scn.x_nlinno=(v))
266
267/*
268 * Internal use only definitions. SF_ stands for symbol flags.
269 *
270 * These values can be assigned to sy_symbol.ost_flags field of a symbolS.
271 *
272 * You'll break i960 if you shift the SYSPROC bits anywhere else. for
273 * more on the balname/callname hack, see tc-i960.h. b.out is done
274 * differently.
275 */
276
277#define SF_I960_MASK (0x000001ff) /* Bits 0-8 are used by the i960 port. */
278#define SF_SYSPROC (0x0000003f) /* bits 0-5 are used to store the sysproc number */
279#define SF_IS_SYSPROC (0x00000040) /* bit 6 marks symbols that are sysprocs */
280#define SF_BALNAME (0x00000080) /* bit 7 marks BALNAME symbols */
281#define SF_CALLNAME (0x00000100) /* bit 8 marks CALLNAME symbols */
282
283#define SF_NORMAL_MASK (0x0000ffff) /* bits 12-15 are general purpose. */
284
285#define SF_STATICS (0x00001000) /* Mark the .text & all symbols */
286#define SF_DEFINED (0x00002000) /* Symbol is defined in this file */
287#define SF_STRING (0x00004000) /* Symbol name length > 8 */
288#define SF_LOCAL (0x00008000) /* Symbol must not be emitted */
289
290#define SF_DEBUG_MASK (0xffff0000) /* bits 16-31 are debug info */
291
292#define SF_FUNCTION (0x00010000) /* The symbol is a function */
293#define SF_PROCESS (0x00020000) /* Process symbol before write */
294#define SF_TAGGED (0x00040000) /* Is associated with a tag */
295#define SF_TAG (0x00080000) /* Is a tag */
296#define SF_DEBUG (0x00100000) /* Is in debug or abs section */
297#define SF_GET_SEGMENT (0x00200000) /* Get the section of the forward symbol. */
298 /* All other bits are unused. */
299
300/* Accessors */
301#define SF_GET(s) ((s)->sy_symbol.ost_flags)
302#define SF_GET_NORMAL_FIELD(s) ((s)->sy_symbol.ost_flags & SF_NORMAL_MASK)
303#define SF_GET_DEBUG_FIELD(s) ((s)->sy_symbol.ost_flags & SF_DEBUG_MASK)
304#define SF_GET_FILE(s) ((s)->sy_symbol.ost_flags & SF_FILE)
305#define SF_GET_STATICS(s) ((s)->sy_symbol.ost_flags & SF_STATICS)
306#define SF_GET_DEFINED(s) ((s)->sy_symbol.ost_flags & SF_DEFINED)
307#define SF_GET_STRING(s) ((s)->sy_symbol.ost_flags & SF_STRING)
308#define SF_GET_LOCAL(s) ((s)->sy_symbol.ost_flags & SF_LOCAL)
309#define SF_GET_FUNCTION(s) ((s)->sy_symbol.ost_flags & SF_FUNCTION)
310#define SF_GET_PROCESS(s) ((s)->sy_symbol.ost_flags & SF_PROCESS)
311#define SF_GET_DEBUG(s) ((s)->sy_symbol.ost_flags & SF_DEBUG)
312#define SF_GET_TAGGED(s) ((s)->sy_symbol.ost_flags & SF_TAGGED)
313#define SF_GET_TAG(s) ((s)->sy_symbol.ost_flags & SF_TAG)
314#define SF_GET_GET_SEGMENT(s) ((s)->sy_symbol.ost_flags & SF_GET_SEGMENT)
315#define SF_GET_I960(s) ((s)->sy_symbol.ost_flags & SF_I960_MASK) /* used by i960 */
316#define SF_GET_BALNAME(s) ((s)->sy_symbol.ost_flags & SF_BALNAME) /* used by i960 */
317#define SF_GET_CALLNAME(s) ((s)->sy_symbol.ost_flags & SF_CALLNAME) /* used by i960 */
318#define SF_GET_IS_SYSPROC(s) ((s)->sy_symbol.ost_flags & SF_IS_SYSPROC) /* used by i960 */
319#define SF_GET_SYSPROC(s) ((s)->sy_symbol.ost_flags & SF_SYSPROC) /* used by i960 */
320
321/* Modifiers */
322#define SF_SET(s,v) ((s)->sy_symbol.ost_flags = (v))
323#define SF_SET_NORMAL_FIELD(s,v)((s)->sy_symbol.ost_flags |= ((v) & SF_NORMAL_MASK))
324#define SF_SET_DEBUG_FIELD(s,v) ((s)->sy_symbol.ost_flags |= ((v) & SF_DEBUG_MASK))
325#define SF_SET_FILE(s) ((s)->sy_symbol.ost_flags |= SF_FILE)
326#define SF_SET_STATICS(s) ((s)->sy_symbol.ost_flags |= SF_STATICS)
327#define SF_SET_DEFINED(s) ((s)->sy_symbol.ost_flags |= SF_DEFINED)
328#define SF_SET_STRING(s) ((s)->sy_symbol.ost_flags |= SF_STRING)
329#define SF_SET_LOCAL(s) ((s)->sy_symbol.ost_flags |= SF_LOCAL)
330#define SF_CLEAR_LOCAL(s) ((s)->sy_symbol.ost_flags &= ~SF_LOCAL)
331#define SF_SET_FUNCTION(s) ((s)->sy_symbol.ost_flags |= SF_FUNCTION)
332#define SF_SET_PROCESS(s) ((s)->sy_symbol.ost_flags |= SF_PROCESS)
333#define SF_SET_DEBUG(s) ((s)->sy_symbol.ost_flags |= SF_DEBUG)
334#define SF_SET_TAGGED(s) ((s)->sy_symbol.ost_flags |= SF_TAGGED)
335#define SF_SET_TAG(s) ((s)->sy_symbol.ost_flags |= SF_TAG)
336#define SF_SET_GET_SEGMENT(s) ((s)->sy_symbol.ost_flags |= SF_GET_SEGMENT)
337#define SF_SET_I960(s,v) ((s)->sy_symbol.ost_flags |= ((v) & SF_I960_MASK)) /* used by i960 */
338#define SF_SET_BALNAME(s) ((s)->sy_symbol.ost_flags |= SF_BALNAME) /* used by i960 */
339#define SF_SET_CALLNAME(s) ((s)->sy_symbol.ost_flags |= SF_CALLNAME) /* used by i960 */
340#define SF_SET_IS_SYSPROC(s) ((s)->sy_symbol.ost_flags |= SF_IS_SYSPROC) /* used by i960 */
341#define SF_SET_SYSPROC(s,v) ((s)->sy_symbol.ost_flags |= ((v) & SF_SYSPROC)) /* used by i960 */
342
343/* File header macro and type definition */
344
345/*
346 * File position calculators. Beware to use them when all the
347 * appropriate fields are set in the header.
348 */
349
350#ifdef OBJ_COFF_OMIT_OPTIONAL_HEADER
351#define OBJ_COFF_AOUTHDRSZ (0)
352#else
353#define OBJ_COFF_AOUTHDRSZ (AOUTHDRSZ)
354#endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
355
356#define H_GET_FILE_SIZE(h) \
357 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
358 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
359 H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
360 H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h) + \
361 H_GET_SYMBOL_TABLE_SIZE(h) + \
362 (h)->string_table_size)
363#define H_GET_TEXT_FILE_OFFSET(h) \
364 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
365 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ)
366#define H_GET_DATA_FILE_OFFSET(h) \
367 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
368 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
369 H_GET_TEXT_SIZE(h))
370#define H_GET_BSS_FILE_OFFSET(h) 0
371#define H_GET_RELOCATION_FILE_OFFSET(h) \
372 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
373 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
374 H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h))
375#define H_GET_LINENO_FILE_OFFSET(h) \
376 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
377 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
378 H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
379 H_GET_RELOCATION_SIZE(h))
380#define H_GET_SYMBOL_TABLE_FILE_OFFSET(h) \
381 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
382 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
383 H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
384 H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h))
385
386/* Accessors */
387/* aouthdr */
388#define H_GET_MAGIC_NUMBER(h) ((h)->aouthdr.magic)
389#define H_GET_VERSION_STAMP(h) ((h)->aouthdr.vstamp)
390#define H_GET_TEXT_SIZE(h) ((h)->aouthdr.tsize)
391#define H_GET_DATA_SIZE(h) ((h)->aouthdr.dsize)
392#define H_GET_BSS_SIZE(h) ((h)->aouthdr.bsize)
393#define H_GET_ENTRY_POINT(h) ((h)->aouthdr.entry)
394#define H_GET_TEXT_START(h) ((h)->aouthdr.text_start)
395#define H_GET_DATA_START(h) ((h)->aouthdr.data_start)
396/* filehdr */
397#define H_GET_FILE_MAGIC_NUMBER(h) ((h)->filehdr.f_magic)
398#define H_GET_NUMBER_OF_SECTIONS(h) ((h)->filehdr.f_nscns)
399#define H_GET_TIME_STAMP(h) ((h)->filehdr.f_timdat)
400#define H_GET_SYMBOL_TABLE_POINTER(h) ((h)->filehdr.f_symptr)
401#define H_GET_SYMBOL_COUNT(h) ((h)->filehdr.f_nsyms)
402#define H_GET_SYMBOL_TABLE_SIZE(h) (H_GET_SYMBOL_COUNT(h) * SYMESZ)
403#define H_GET_SIZEOF_OPTIONAL_HEADER(h) ((h)->filehdr.f_opthdr)
404#define H_GET_FLAGS(h) ((h)->filehdr.f_flags)
405/* Extra fields to achieve bsd a.out compatibility and for convenience */
406#define H_GET_RELOCATION_SIZE(h) ((h)->relocation_size)
407#define H_GET_STRING_SIZE(h) ((h)->string_table_size)
408#define H_GET_LINENO_SIZE(h) ((h)->lineno_size)
409
410#ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER
411#define H_GET_HEADER_SIZE(h) (sizeof(FILHDR) \
412 + sizeof(AOUTHDR)\
413 + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
414#else /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
415#define H_GET_HEADER_SIZE(h) (sizeof(FILHDR) \
416 + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
417#endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
418
419#define H_GET_TEXT_RELOCATION_SIZE(h) (text_section_header.s_nreloc * RELSZ)
420#define H_GET_DATA_RELOCATION_SIZE(h) (data_section_header.s_nreloc * RELSZ)
421
422/* Modifiers */
423/* aouthdr */
424#define H_SET_MAGIC_NUMBER(h,v) ((h)->aouthdr.magic = (v))
425#define H_SET_VERSION_STAMP(h,v) ((h)->aouthdr.vstamp = (v))
426#define H_SET_TEXT_SIZE(h,v) ((h)->aouthdr.tsize = (v))
427#define H_SET_DATA_SIZE(h,v) ((h)->aouthdr.dsize = (v))
428#define H_SET_BSS_SIZE(h,v) ((h)->aouthdr.bsize = (v))
429#define H_SET_ENTRY_POINT(h,v) ((h)->aouthdr.entry = (v))
430#define H_SET_TEXT_START(h,v) ((h)->aouthdr.text_start = (v))
431#define H_SET_DATA_START(h,v) ((h)->aouthdr.data_start = (v))
432/* filehdr */
433#define H_SET_FILE_MAGIC_NUMBER(h,v) ((h)->filehdr.f_magic = (v))
434#define H_SET_NUMBER_OF_SECTIONS(h,v) ((h)->filehdr.f_nscns = (v))
435#define H_SET_TIME_STAMP(h,v) ((h)->filehdr.f_timdat = (v))
436#define H_SET_SYMBOL_TABLE_POINTER(h,v) ((h)->filehdr.f_symptr = (v))
437#define H_SET_SYMBOL_TABLE_SIZE(h,v) ((h)->filehdr.f_nsyms = (v))
438#define H_SET_SIZEOF_OPTIONAL_HEADER(h,v) ((h)->filehdr.f_opthdr = (v))
439#define H_SET_FLAGS(h,v) ((h)->filehdr.f_flags = (v))
440/* Extra fields to achieve bsd a.out compatibility and for convinience */
441#define H_SET_RELOCATION_SIZE(h,t,d) ((h)->relocation_size = (t)+(d))
442#define H_SET_STRING_SIZE(h,v) ((h)->string_table_size = (v))
443#define H_SET_LINENO_SIZE(h,v) ((h)->lineno_size = (v))
444
445 /* Segment flipping */
446#define segment_name(v) (seg_name[(int) (v)])
447
448typedef struct {
449#ifdef BFD_HEADERS
450 struct internal_aouthdr aouthdr; /* a.out header */
451 struct internal_filehdr filehdr; /* File header, not machine dep. */
452#else
453 AOUTHDR aouthdr; /* a.out header */
454 FILHDR filehdr; /* File header, not machine dep. */
455#endif
456 long string_table_size; /* names + '\0' + sizeof(int) */
457 long relocation_size; /* Cumulated size of relocation
458 information for all sections in
459 bytes. */
460 long lineno_size; /* Size of the line number information
461 table in bytes */
462} object_headers;
463
464
465
466struct lineno_list
467{
468
469 struct bfd_internal_lineno line;
470 char* frag; /* Frag to which the line number is related */
471 struct lineno_list* next; /* Forward chain pointer */
472} ;
473
474
475
476
477 /* stack stuff */
478typedef struct {
479 unsigned long chunk_size;
480 unsigned long element_size;
481 unsigned long size;
482 char* data;
483 unsigned long pointer;
484} stack;
485
486#ifdef __STDC__
487
488char *stack_pop(stack *st);
489char *stack_push(stack *st, char *element);
490char *stack_top(stack *st);
491stack *stack_init(unsigned long chunk_size, unsigned long element_size);
492void c_dot_file_symbol(char *filename);
493void obj_extra_stuff(object_headers *headers);
494void stack_delete(stack *st);
495
496#ifndef tc_headers_hook
497void tc_headers_hook(object_headers *headers);
498#endif /* tc_headers_hook */
499
500#ifndef tc_coff_symbol_emit_hook
501void tc_coff_symbol_emit_hook(); /* really tc_coff_symbol_emit_hook(symbolS *symbolP) */
502#endif /* tc_coff_symbol_emit_hook */
503
504void c_section_header(
505#ifdef BFD_HEADERS
506 struct internal_scnhdr *header,
507#else
508 SCNHDR *header,
509#endif
510
511 char *name,
512 long core_address,
513 long size,
514 long data_ptr,
515 long reloc_ptr,
516 long lineno_ptr,
517 long reloc_number,
518 long lineno_number,
519 long alignment);
520
521#else /* __STDC__ */
522
523char *stack_pop();
524char *stack_push();
525char *stack_top();
526stack *stack_init();
527void c_dot_file_symbol();
528void c_section_header();
529void obj_extra_stuff();
530void stack_delete();
531void tc_headers_hook();
532void tc_coff_symbol_emit_hook();
533
534#endif /* __STDC__ */
535
536
537 /* sanity check */
538
539#ifdef TC_I960
540#ifndef C_LEAFSTAT
541hey! Where is the C_LEAFSTAT definition? i960-coff support is depending on it.
542#endif /* no C_LEAFSTAT */
543#endif /* TC_I960 */
544#ifdef BFD_HEADERS
545extern struct internal_scnhdr data_section_header;
546extern struct internal_scnhdr text_section_header;
547#else
548extern SCNHDR data_section_header;
549extern SCNHDR text_section_header;
550#endif
551/*
552 * Local Variables:
553 * comment-column: 0
554 * fill-column: 131
555 * End:
556 */
557
558/* end of obj-coff.h */
GDB Binutils - Deliverables
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